package day03;

public class OpreDemo5 {
    public static void main(String[] args) {
        int age = 18;
        System.out.println("刚满"+age+"岁");

        System.out.println("10"+20+30);
        System.out.println(30+20+"10");
        System.out.println(30+50+"50"+20);
    }
}
